A FIELD BUS INTERFACE CARD IN THE FORM OF A PRINTED CIRCUIT BOARD (PCB). THE BOARD IS USED ON PNEUMATIC VALVES TO CONNECT THE VALVE WITH THE BUS SYSTEM, FOR PROCESS CONTROL FROM AN EXTERNAL COMPUTER/CONTROLLER. THE PCB READS THE DIGITAL INFORMATION AND ACTUATES THE CORRECT VALVE STATION. (ADDRESS SYSTEM I/O). THE PCB IS LAYERED ON BOTH SIDES AND POPULATED WITH BOTH PASSIVE AND ACTIVE ELEMENTS.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8538 - PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF HEADING 8535, 8536 OR 8537 GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 8536 90 - OTHER THAN BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES FOR THE GOODS OF HEADING 8537, NOT EQUIPPED WITH THEIR APPARATUS CN CODE 853890 91 - OTHER THAN FOR WAFER PROBERS OF SUBHEADING 8536 90 20: ELECTRONIC ASSEMBLIES TARIC 85389091 89 - OTHER THAN ELSEWHERE SPECIFIED ALSO CLASSIFIED IN ACCORDANCE WITH:- NOTE 2 (B) TO SECTION XVI HARMONIZED SYSTEM EXPLNATORY NOTES TO HEADING 85.38COMMISSION IMPLEMETING REGULATION (EU) NO 1247/2011